Supporting deaf and hard of hearing (D/HH) people to understand natural conversation is one of the important activities of social welfare. However, currently the communication support for D/HH people is not enough in Japan. Although existing communication methods, such as sign language and lipreading, are effective in one-to-one conversation, they have several disadvantages in one-to-many conversation such as meetings or conventions. In order to support D/HH people in understanding conversation, this paper proposes a multi-modal visualization application which provides many aspects of information about speech contents. Concrete examples of visualization modes include displaying subtitles by voice recognition and showing speaker's mouth to assist lip-reading.
This paper proposes a design of dual scattering angles multi-path Thomson scattering system with a signal separation function to solve the overlapping phenomenon of scattered light signals and to increase the measurement accuracy for the investigation of anisotropic electron velocity distribution. Furthermore, an optical path design is proposed to demonstrate how overlapping scattered light signals can be separated by setting the optical path in a limited room with a compact layout, which makes the incident interval between two overlapping scattered light signals 1.7 times longer than that of our current system. The specific position of each optical component existing in the system is determined via a Gaussian beam analysis to avoid damage caused by overexpansion of spot size with the application of two cooperating image relay systems. Conversely, a polychromator is optimized by resetting the pass waveband of the interference filter combination to achieve high accuracy in electron temperature ( T e) measurement corresponding to two scattering angles simultaneously.
SummaryTo investigate the effect of different light conditions on the antioxidative activities of suspensioncultured tea (Camellia sinensis L. cv. 'Yabukita') cells, we measured the growth, ascorbate (AsA) content and lipid peroxidation of suspension-cultured tea cells grown under continuously illuminating condition with red (light-emitting diodes) LEDs (650-670 nm), blue LEDs (450-470 nm), red LEDs with supplemental blue LEDs (red plus blue LEDs) or white fluorescent lamp with 100 µmol m -2 s -1 of photosynthetic photon flux density for 7 days, comparing with ones grown under dark.The cell growth in all light-treated conditions has decreased to the half in the dark condition, and the lipid peroxidation has increased. The content of AsA in tea cells was increased in blue LEDs, red plus blue LEDs and white fluorescent light treatments. Oxalate contents of red plus blue LEDs and white light treatments were higher than that of other treatments. On the other hand, the catalase activity was decreased in light conditions including the blue wavelength band, whereas the ascorbate peroxidase activity did not change in any treatment conditions. Furthermore, superoxide dismutase activity was only decreased in red LEDs and red plus blue LEDs conditions. These results suggested
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